1948228 has 6 divisors (see below), whose sum is σ = 3409406. Its totient is φ = 974112.

The previous prime is 1948223. The next prime is 1948229. The reversal of 1948228 is 8228491.

It can be written as a sum of positive squares in only one way, i.e., 1643524 + 304704 = 1282^2 + 552^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1948193 and 1948202.

It is not an unprimeable number, because it can be changed into a prime (1948223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243525 + ... + 243532.

2^1948228 is an apocalyptic number.

It is an amenable number.

1948228 is a deficient number, since it is larger than the sum of its proper divisors (1461178).

1948228 is a wasteful number, since it uses less digits than its factorization.

1948228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487061 (or 487059 counting only the distinct ones).

The product of its digits is 9216, while the sum is 34.

The square root of 1948228 is about 1395.7893823926. The cubic root of 1948228 is about 124.8954432341.

The spelling of 1948228 in words is "one million, nine hundred forty-eight thousand, two hundred twenty-eight".